22220211011122 has 4 divisors (see below), whose sum is σ = 33330316516686. Its totient is φ = 11110105505560.

The previous prime is 22220211011087. The next prime is 22220211011149. The reversal of 22220211011122 is 22111011202222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12757333771081 + 9462877240041 = 3571741^2 + 3076179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22220211011122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555052752779 + ... + 5555052752782.

Almost surely, 2^{22220211011122} is an apocalyptic number.

22220211011122 is a deficient number, since it is larger than the sum of its proper divisors (11110105505564).

22220211011122 is a wasteful number, since it uses less digits than its factorization.

22220211011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110105505563.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22220211011122 its reverse (22111011202222), we get a palindrome (44331222213344).

The spelling of 22220211011122 in words is "twenty-two trillion, two hundred twenty billion, two hundred eleven million, eleven thousand, one hundred twenty-two".